Any person or entity that owns more than 10% of a company's voting shares.
Definition
Under SEC rules, anyone who acquires more than 10% of a publicly traded company's outstanding stock is legally classified as an insider, regardless of whether they hold a job title at the company. They are subject to the same strict Form 4 reporting requirements as the CEO.
Why it matters for Whale Tracking
Tracking 10% owners is crucial for spotting activist investors or massive hedge funds taking control of a company. When a beneficial owner starts aggressively adding to their position, it often precedes boardroom shakeups or acquisition attempts.
Technical Nuance
Beneficial ownership is determined by the SEC based on voting power and economic interest. It includes shares held directly, as well as those held indirectly through trusts, family members, or entities. This means that an individual can be a beneficial owner without holding a formal executive position, making it essential to track their transactions for a complete picture of insider activity.
Track 10% Beneficial Owners Live
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Real-World Example
"When Warren Buffett's Berkshire Hathaway acquires more than 10% of Occidental Petroleum (OXY), Buffett becomes a beneficial owner. Every subsequent time he buys even a single share of OXY, he must file a Form 4."
Fundamental Quant Thesis
Go beyond the raw data. Read institutional-grade analysis on why sec-form-4 insiders are moving capital and the long-term structural impact.